73186210
Sep 19, 1978
Sep 22, 1981
Data Transmission, Switching, Test and Patching Instruments, and Air Contaminant Removal and Pollution Detection and Control Instruments
Electrical and Scientific ApparatusSpecial Purpose Vehicles-Namely, Trucks, Vans and Trailers Containing Classrooms, Showcases, Electronic Instruments for Surveillance and Testing, Disaster Control Equipment, Maintenance Equipment and Personnel Transport Equipment
VehiclesRockets, Chemical Propellants, Igniters and Gas Generating Chemical Compositions and Instruments
FirearmsResearch, Development, Design and Consultant Services in the Fields of Communications Network Control Systems, Radio and Television Systems, Combustion, Rockets, Gas Generators, Igniters, Analytical Chemistry, Microbiology, Electronic Component Design, Satellite Spin Systems, Lasers, Special Purpose Vehicles, Industrial Mixers, Pollution Control, Fire and Explosion Analysis, Electromagnetic Signal Measurement, Telephone Switching Equipment, Data Communications, Energy Systems and Solar Heating, All for Others
Computer and Scientific